/* * \brief Audio library interface * \author Josef Soentgen * \date 2014-12-27 * * This header declares the private Audio namespace. It contains * functions called by the driver frontend that are implemented * by the driver library. */ /* * Copyright (C) 2014 Genode Labs GmbH * * This file is part of the Genode OS framework, which is distributed * under the terms of the GNU General Public License version 2. */ #ifndef _AUDIO__AUDIO_H_ #define _AUDIO__AUDIO_H_ #include /***************************** ** private Audio namespace ** *****************************/ namespace Audio { enum Channel_number { LEFT, RIGHT, MAX_CHANNELS, INVALID = MAX_CHANNELS }; void init_driver(Server::Entrypoint &ep); bool driver_active(); void dma_notifier(Genode::Signal_context_capability cap); int play(short *data, Genode::size_t size); } #endif /* _AUDIO__AUDIO_H_ */